Home / 9,478.10-14,217.19-2,904.28

Finding the Fourth Proportional to 9,478.10, 14,217.19 and 2,904.28

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Solution

The fourth proportional to 9,478.10, 14,217.19 and 2,904.28 is: 4,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.10 : 14,217.19 = 2,904.28 : x
  2. Step 2: Convert to fraction form
    9,478.10/14,217.19 = 2,904.28/x
  3. Step 3: Cross multiply
    9,478.10x = 14,217.19 × 2,904.28
  4. Step 4: Simplify right side
    9,478.10x = 41,290,657.77
  5. Step 5: Solve for x
    x = 41,290,657.77/9,478.10
  6. Step 6: Final answer
    x = 4,356.43

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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.