Home / 7,877.48-11,818.96-6,555.02

Finding the Fourth Proportional to 7,877.48, 11,818.96 and 6,555.02

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Solution

The fourth proportional to 7,877.48, 11,818.96 and 6,555.02 is: 9,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.48 : 11,818.96 = 6,555.02 : x
  2. Step 2: Convert to fraction form
    7,877.48/11,818.96 = 6,555.02/x
  3. Step 3: Cross multiply
    7,877.48x = 11,818.96 × 6,555.02
  4. Step 4: Simplify right side
    7,877.48x = 77,473,519.18
  5. Step 5: Solve for x
    x = 77,473,519.18/7,877.48
  6. Step 6: Final answer
    x = 9,834.81

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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.