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Finding the Fourth Proportional to 4,691.16, 7,034.38 and 1,570.08

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Solution

The fourth proportional to 4,691.16, 7,034.38 and 1,570.08 is: 2,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.16 : 7,034.38 = 1,570.08 : x
  2. Step 2: Convert to fraction form
    4,691.16/7,034.38 = 1,570.08/x
  3. Step 3: Cross multiply
    4,691.16x = 7,034.38 × 1,570.08
  4. Step 4: Simplify right side
    4,691.16x = 11,044,539.35
  5. Step 5: Solve for x
    x = 11,044,539.35/4,691.16
  6. Step 6: Final answer
    x = 2,354.33

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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.