Home / 7,292.40-10,062.60-4,148.64

Finding the Fourth Proportional to 7,292.40, 10,062.60 and 4,148.64

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Solution

The fourth proportional to 7,292.40, 10,062.60 and 4,148.64 is: 5,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.40 : 10,062.60 = 4,148.64 : x
  2. Step 2: Convert to fraction form
    7,292.40/10,062.60 = 4,148.64/x
  3. Step 3: Cross multiply
    7,292.40x = 10,062.60 × 4,148.64
  4. Step 4: Simplify right side
    7,292.40x = 41,746,104.86
  5. Step 5: Solve for x
    x = 41,746,104.86/7,292.40
  6. Step 6: Final answer
    x = 5,724.60

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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.