Home / 7,397.86-10,209.35-4,254.05

Finding the Fourth Proportional to 7,397.86, 10,209.35 and 4,254.05

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Solution

The fourth proportional to 7,397.86, 10,209.35 and 4,254.05 is: 5,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.86 : 10,209.35 = 4,254.05 : x
  2. Step 2: Convert to fraction form
    7,397.86/10,209.35 = 4,254.05/x
  3. Step 3: Cross multiply
    7,397.86x = 10,209.35 × 4,254.05
  4. Step 4: Simplify right side
    7,397.86x = 43,431,052.13
  5. Step 5: Solve for x
    x = 43,431,052.13/7,397.86
  6. Step 6: Final answer
    x = 5,870.76

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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.