Home / 7,854.53-10,847.70-4,877.43

Finding the Fourth Proportional to 7,854.53, 10,847.70 and 4,877.43

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Solution

The fourth proportional to 7,854.53, 10,847.70 and 4,877.43 is: 6,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.53 : 10,847.70 = 4,877.43 : x
  2. Step 2: Convert to fraction form
    7,854.53/10,847.70 = 4,877.43/x
  3. Step 3: Cross multiply
    7,854.53x = 10,847.70 × 4,877.43
  4. Step 4: Simplify right side
    7,854.53x = 52,908,897.41
  5. Step 5: Solve for x
    x = 52,908,897.41/7,854.53
  6. Step 6: Final answer
    x = 6,736.10

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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.