Home / 5,253.54-7,877.57-1,555.31

Finding the Fourth Proportional to 5,253.54, 7,877.57 and 1,555.31

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Solution

The fourth proportional to 5,253.54, 7,877.57 and 1,555.31 is: 2,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.54 : 7,877.57 = 1,555.31 : x
  2. Step 2: Convert to fraction form
    5,253.54/7,877.57 = 1,555.31/x
  3. Step 3: Cross multiply
    5,253.54x = 7,877.57 × 1,555.31
  4. Step 4: Simplify right side
    5,253.54x = 12,252,016.23
  5. Step 5: Solve for x
    x = 12,252,016.23/5,253.54
  6. Step 6: Final answer
    x = 2,332.14

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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.