Home / 8,878.14-12,252.56-4,900.05

Finding the Fourth Proportional to 8,878.14, 12,252.56 and 4,900.05

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Solution

The fourth proportional to 8,878.14, 12,252.56 and 4,900.05 is: 6,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.14 : 12,252.56 = 4,900.05 : x
  2. Step 2: Convert to fraction form
    8,878.14/12,252.56 = 4,900.05/x
  3. Step 3: Cross multiply
    8,878.14x = 12,252.56 × 4,900.05
  4. Step 4: Simplify right side
    8,878.14x = 60,038,132.13
  5. Step 5: Solve for x
    x = 60,038,132.13/8,878.14
  6. Step 6: Final answer
    x = 6,762.47

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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.