Home / 8,870.55-12,246.36-5,890.46

Finding the Fourth Proportional to 8,870.55, 12,246.36 and 5,890.46

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Solution

The fourth proportional to 8,870.55, 12,246.36 and 5,890.46 is: 8,132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.55 : 12,246.36 = 5,890.46 : x
  2. Step 2: Convert to fraction form
    8,870.55/12,246.36 = 5,890.46/x
  3. Step 3: Cross multiply
    8,870.55x = 12,246.36 × 5,890.46
  4. Step 4: Simplify right side
    8,870.55x = 72,136,693.73
  5. Step 5: Solve for x
    x = 72,136,693.73/8,870.55
  6. Step 6: Final answer
    x = 8,132.16

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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.