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Finding the Fourth Proportional to 5,871.32, 8,807.00 and 1,488.78

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Solution

The fourth proportional to 5,871.32, 8,807.00 and 1,488.78 is: 2,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.32 : 8,807.00 = 1,488.78 : x
  2. Step 2: Convert to fraction form
    5,871.32/8,807.00 = 1,488.78/x
  3. Step 3: Cross multiply
    5,871.32x = 8,807.00 × 1,488.78
  4. Step 4: Simplify right side
    5,871.32x = 13,111,678.02
  5. Step 5: Solve for x
    x = 13,111,678.02/5,871.32
  6. Step 6: Final answer
    x = 2,233.17

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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.