Home / 5,071.43-7,001.87-4,539.40

Finding the Fourth Proportional to 5,071.43, 7,001.87 and 4,539.40

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Solution

The fourth proportional to 5,071.43, 7,001.87 and 4,539.40 is: 6,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.43 : 7,001.87 = 4,539.40 : x
  2. Step 2: Convert to fraction form
    5,071.43/7,001.87 = 4,539.40/x
  3. Step 3: Cross multiply
    5,071.43x = 7,001.87 × 4,539.40
  4. Step 4: Simplify right side
    5,071.43x = 31,784,288.68
  5. Step 5: Solve for x
    x = 31,784,288.68/5,071.43
  6. Step 6: Final answer
    x = 6,267.32

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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.