Home / 5,071.16-7,607.52-1,785.32

Finding the Fourth Proportional to 5,071.16, 7,607.52 and 1,785.32

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Solution

The fourth proportional to 5,071.16, 7,607.52 and 1,785.32 is: 2,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.16 : 7,607.52 = 1,785.32 : x
  2. Step 2: Convert to fraction form
    5,071.16/7,607.52 = 1,785.32/x
  3. Step 3: Cross multiply
    5,071.16x = 7,607.52 × 1,785.32
  4. Step 4: Simplify right side
    5,071.16x = 13,581,857.61
  5. Step 5: Solve for x
    x = 13,581,857.61/5,071.16
  6. Step 6: Final answer
    x = 2,678.25

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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.