Home / 5,437.48-8,155.10-1,541.80

Finding the Fourth Proportional to 5,437.48, 8,155.10 and 1,541.80

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Solution

The fourth proportional to 5,437.48, 8,155.10 and 1,541.80 is: 2,312.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.48 : 8,155.10 = 1,541.80 : x
  2. Step 2: Convert to fraction form
    5,437.48/8,155.10 = 1,541.80/x
  3. Step 3: Cross multiply
    5,437.48x = 8,155.10 × 1,541.80
  4. Step 4: Simplify right side
    5,437.48x = 12,573,533.18
  5. Step 5: Solve for x
    x = 12,573,533.18/5,437.48
  6. Step 6: Final answer
    x = 2,312.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.