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Finding the Fourth Proportional to 7,681, 10,599.72 and 4,323.83

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Solution

The fourth proportional to 7,681, 10,599.72 and 4,323.83 is: 5,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681 : 10,599.72 = 4,323.83 : x
  2. Step 2: Convert to fraction form
    7,681/10,599.72 = 4,323.83/x
  3. Step 3: Cross multiply
    7,681x = 10,599.72 × 4,323.83
  4. Step 4: Simplify right side
    7,681x = 45,831,387.33
  5. Step 5: Solve for x
    x = 45,831,387.33/7,681
  6. Step 6: Final answer
    x = 5,966.85

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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.