Home / 5,555.68-7,666.88-3,037.92

Finding the Fourth Proportional to 5,555.68, 7,666.88 and 3,037.92

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Solution

The fourth proportional to 5,555.68, 7,666.88 and 3,037.92 is: 4,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.68 : 7,666.88 = 3,037.92 : x
  2. Step 2: Convert to fraction form
    5,555.68/7,666.88 = 3,037.92/x
  3. Step 3: Cross multiply
    5,555.68x = 7,666.88 × 3,037.92
  4. Step 4: Simplify right side
    5,555.68x = 23,291,368.09
  5. Step 5: Solve for x
    x = 23,291,368.09/5,555.68
  6. Step 6: Final answer
    x = 4,192.35

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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.