Home / 7,528.52-10,388.70-4,543.26

Finding the Fourth Proportional to 7,528.52, 10,388.70 and 4,543.26

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Solution

The fourth proportional to 7,528.52, 10,388.70 and 4,543.26 is: 6,269.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.52 : 10,388.70 = 4,543.26 : x
  2. Step 2: Convert to fraction form
    7,528.52/10,388.70 = 4,543.26/x
  3. Step 3: Cross multiply
    7,528.52x = 10,388.70 × 4,543.26
  4. Step 4: Simplify right side
    7,528.52x = 47,198,565.16
  5. Step 5: Solve for x
    x = 47,198,565.16/7,528.52
  6. Step 6: Final answer
    x = 6,269.31

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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.