Home / 6,758.67-10,123.38-4,287.36

Finding the Fourth Proportional to 6,758.67, 10,123.38 and 4,287.36

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Solution

The fourth proportional to 6,758.67, 10,123.38 and 4,287.36 is: 6,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.67 : 10,123.38 = 4,287.36 : x
  2. Step 2: Convert to fraction form
    6,758.67/10,123.38 = 4,287.36/x
  3. Step 3: Cross multiply
    6,758.67x = 10,123.38 × 4,287.36
  4. Step 4: Simplify right side
    6,758.67x = 43,402,574.48
  5. Step 5: Solve for x
    x = 43,402,574.48/6,758.67
  6. Step 6: Final answer
    x = 6,421.76

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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.