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Finding the Fourth Proportional to 7,151.53, 9,867.50 and 4,319.36

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Solution

The fourth proportional to 7,151.53, 9,867.50 and 4,319.36 is: 5,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.53 : 9,867.50 = 4,319.36 : x
  2. Step 2: Convert to fraction form
    7,151.53/9,867.50 = 4,319.36/x
  3. Step 3: Cross multiply
    7,151.53x = 9,867.50 × 4,319.36
  4. Step 4: Simplify right side
    7,151.53x = 42,621,263.20
  5. Step 5: Solve for x
    x = 42,621,263.20/7,151.53
  6. Step 6: Final answer
    x = 5,959.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.