Home / 6,437.50-8,880.96-4,548.78

Finding the Fourth Proportional to 6,437.50, 8,880.96 and 4,548.78

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Solution

The fourth proportional to 6,437.50, 8,880.96 and 4,548.78 is: 6,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.50 : 8,880.96 = 4,548.78 : x
  2. Step 2: Convert to fraction form
    6,437.50/8,880.96 = 4,548.78/x
  3. Step 3: Cross multiply
    6,437.50x = 8,880.96 × 4,548.78
  4. Step 4: Simplify right side
    6,437.50x = 40,397,533.23
  5. Step 5: Solve for x
    x = 40,397,533.23/6,437.50
  6. Step 6: Final answer
    x = 6,275.34

Related Problems

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.