Home / 7,521.39-10,380.51-4,538.93

Finding the Fourth Proportional to 7,521.39, 10,380.51 and 4,538.93

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Solution

The fourth proportional to 7,521.39, 10,380.51 and 4,538.93 is: 6,264.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.39 : 10,380.51 = 4,538.93 : x
  2. Step 2: Convert to fraction form
    7,521.39/10,380.51 = 4,538.93/x
  3. Step 3: Cross multiply
    7,521.39x = 10,380.51 × 4,538.93
  4. Step 4: Simplify right side
    7,521.39x = 47,116,356.35
  5. Step 5: Solve for x
    x = 47,116,356.35/7,521.39
  6. Step 6: Final answer
    x = 6,264.32

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Half scale
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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.