Home / 5,437.80-7,505.28-3,549.69

Finding the Fourth Proportional to 5,437.80, 7,505.28 and 3,549.69

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Solution

The fourth proportional to 5,437.80, 7,505.28 and 3,549.69 is: 4,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.80 : 7,505.28 = 3,549.69 : x
  2. Step 2: Convert to fraction form
    5,437.80/7,505.28 = 3,549.69/x
  3. Step 3: Cross multiply
    5,437.80x = 7,505.28 × 3,549.69
  4. Step 4: Simplify right side
    5,437.80x = 26,641,417.36
  5. Step 5: Solve for x
    x = 26,641,417.36/5,437.80
  6. Step 6: Final answer
    x = 4,899.30

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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.