Home / 6,437.50-8,884.30-3,643.54

Finding the Fourth Proportional to 6,437.50, 8,884.30 and 3,643.54

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Solution

The fourth proportional to 6,437.50, 8,884.30 and 3,643.54 is: 5,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.50 : 8,884.30 = 3,643.54 : x
  2. Step 2: Convert to fraction form
    6,437.50/8,884.30 = 3,643.54/x
  3. Step 3: Cross multiply
    6,437.50x = 8,884.30 × 3,643.54
  4. Step 4: Simplify right side
    6,437.50x = 32,370,302.42
  5. Step 5: Solve for x
    x = 32,370,302.42/6,437.50
  6. Step 6: Final answer
    x = 5,028.40

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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.