Home / 7,135.32-9,846.87-4,302.66

Finding the Fourth Proportional to 7,135.32, 9,846.87 and 4,302.66

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Solution

The fourth proportional to 7,135.32, 9,846.87 and 4,302.66 is: 5,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.32 : 9,846.87 = 4,302.66 : x
  2. Step 2: Convert to fraction form
    7,135.32/9,846.87 = 4,302.66/x
  3. Step 3: Cross multiply
    7,135.32x = 9,846.87 × 4,302.66
  4. Step 4: Simplify right side
    7,135.32x = 42,367,733.67
  5. Step 5: Solve for x
    x = 42,367,733.67/7,135.32
  6. Step 6: Final answer
    x = 5,937.75

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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.