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Finding the Fourth Proportional to 9,862.77, 14,800.32 and 5,483.28

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Solution

The fourth proportional to 9,862.77, 14,800.32 and 5,483.28 is: 8,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.77 : 14,800.32 = 5,483.28 : x
  2. Step 2: Convert to fraction form
    9,862.77/14,800.32 = 5,483.28/x
  3. Step 3: Cross multiply
    9,862.77x = 14,800.32 × 5,483.28
  4. Step 4: Simplify right side
    9,862.77x = 81,154,298.65
  5. Step 5: Solve for x
    x = 81,154,298.65/9,862.77
  6. Step 6: Final answer
    x = 8,228.35

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1.5x scale

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.