Home / 7,343.34-10,995.40-4,218.66

Finding the Fourth Proportional to 7,343.34, 10,995.40 and 4,218.66

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Solution

The fourth proportional to 7,343.34, 10,995.40 and 4,218.66 is: 6,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.34 : 10,995.40 = 4,218.66 : x
  2. Step 2: Convert to fraction form
    7,343.34/10,995.40 = 4,218.66/x
  3. Step 3: Cross multiply
    7,343.34x = 10,995.40 × 4,218.66
  4. Step 4: Simplify right side
    7,343.34x = 46,385,854.16
  5. Step 5: Solve for x
    x = 46,385,854.16/7,343.34
  6. Step 6: Final answer
    x = 6,316.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.