Home / 6,719.02-9,290.16-6,613.79

Finding the Fourth Proportional to 6,719.02, 9,290.16 and 6,613.79

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Solution

The fourth proportional to 6,719.02, 9,290.16 and 6,613.79 is: 9,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.02 : 9,290.16 = 6,613.79 : x
  2. Step 2: Convert to fraction form
    6,719.02/9,290.16 = 6,613.79/x
  3. Step 3: Cross multiply
    6,719.02x = 9,290.16 × 6,613.79
  4. Step 4: Simplify right side
    6,719.02x = 61,443,120.86
  5. Step 5: Solve for x
    x = 61,443,120.86/6,719.02
  6. Step 6: Final answer
    x = 9,144.66

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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.