Home / 7,434.24-10,258.88-4,290.24

Finding the Fourth Proportional to 7,434.24, 10,258.88 and 4,290.24

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Solution

The fourth proportional to 7,434.24, 10,258.88 and 4,290.24 is: 5,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.24 : 10,258.88 = 4,290.24 : x
  2. Step 2: Convert to fraction form
    7,434.24/10,258.88 = 4,290.24/x
  3. Step 3: Cross multiply
    7,434.24x = 10,258.88 × 4,290.24
  4. Step 4: Simplify right side
    7,434.24x = 44,013,057.33
  5. Step 5: Solve for x
    x = 44,013,057.33/7,434.24
  6. Step 6: Final answer
    x = 5,920.32

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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.