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Finding the Fourth Proportional to 7,694, 10,612.80 and 4,547.96

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Solution

The fourth proportional to 7,694, 10,612.80 and 4,547.96 is: 6,273.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694 : 10,612.80 = 4,547.96 : x
  2. Step 2: Convert to fraction form
    7,694/10,612.80 = 4,547.96/x
  3. Step 3: Cross multiply
    7,694x = 10,612.80 × 4,547.96
  4. Step 4: Simplify right side
    7,694x = 48,266,589.89
  5. Step 5: Solve for x
    x = 48,266,589.89/7,694
  6. Step 6: Final answer
    x = 6,273.28

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1.5x scale

Why These Related Problems?

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