Home / 7,541.49-11,291.18-5,686.80

Finding the Fourth Proportional to 7,541.49, 11,291.18 and 5,686.80

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Solution

The fourth proportional to 7,541.49, 11,291.18 and 5,686.80 is: 8,514.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.49 : 11,291.18 = 5,686.80 : x
  2. Step 2: Convert to fraction form
    7,541.49/11,291.18 = 5,686.80/x
  3. Step 3: Cross multiply
    7,541.49x = 11,291.18 × 5,686.80
  4. Step 4: Simplify right side
    7,541.49x = 64,210,682.42
  5. Step 5: Solve for x
    x = 64,210,682.42/7,541.49
  6. Step 6: Final answer
    x = 8,514.32

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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.