Home / 8,902.04-12,271.18-6,660.52

Finding the Fourth Proportional to 8,902.04, 12,271.18 and 6,660.52

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Solution

The fourth proportional to 8,902.04, 12,271.18 and 6,660.52 is: 9,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.04 : 12,271.18 = 6,660.52 : x
  2. Step 2: Convert to fraction form
    8,902.04/12,271.18 = 6,660.52/x
  3. Step 3: Cross multiply
    8,902.04x = 12,271.18 × 6,660.52
  4. Step 4: Simplify right side
    8,902.04x = 81,732,439.81
  5. Step 5: Solve for x
    x = 81,732,439.81/8,902.04
  6. Step 6: Final answer
    x = 9,181.32

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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.