Home / 8,621.04-12,931.56-4,723.32

Finding the Fourth Proportional to 8,621.04, 12,931.56 and 4,723.32

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Solution

The fourth proportional to 8,621.04, 12,931.56 and 4,723.32 is: 7,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.04 : 12,931.56 = 4,723.32 : x
  2. Step 2: Convert to fraction form
    8,621.04/12,931.56 = 4,723.32/x
  3. Step 3: Cross multiply
    8,621.04x = 12,931.56 × 4,723.32
  4. Step 4: Simplify right side
    8,621.04x = 61,079,895.98
  5. Step 5: Solve for x
    x = 61,079,895.98/8,621.04
  6. Step 6: Final answer
    x = 7,084.98

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Similar ratio
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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.