Home / 7,531.80-10,393.70-4,387.79

Finding the Fourth Proportional to 7,531.80, 10,393.70 and 4,387.79

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Solution

The fourth proportional to 7,531.80, 10,393.70 and 4,387.79 is: 6,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.80 : 10,393.70 = 4,387.79 : x
  2. Step 2: Convert to fraction form
    7,531.80/10,393.70 = 4,387.79/x
  3. Step 3: Cross multiply
    7,531.80x = 10,393.70 × 4,387.79
  4. Step 4: Simplify right side
    7,531.80x = 45,605,299.02
  5. Step 5: Solve for x
    x = 45,605,299.02/7,531.80
  6. Step 6: Final answer
    x = 6,055.03

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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.