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Finding the Fourth Proportional to 7,490.16, 10,339.92 and 4,345.74

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Solution

The fourth proportional to 7,490.16, 10,339.92 and 4,345.74 is: 5,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.16 : 10,339.92 = 4,345.74 : x
  2. Step 2: Convert to fraction form
    7,490.16/10,339.92 = 4,345.74/x
  3. Step 3: Cross multiply
    7,490.16x = 10,339.92 × 4,345.74
  4. Step 4: Simplify right side
    7,490.16x = 44,934,603.94
  5. Step 5: Solve for x
    x = 44,934,603.94/7,490.16
  6. Step 6: Final answer
    x = 5,999.15

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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.