Home / 6,439.36-9,642.51-4,462.18

Finding the Fourth Proportional to 6,439.36, 9,642.51 and 4,462.18

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Solution

The fourth proportional to 6,439.36, 9,642.51 and 4,462.18 is: 6,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.36 : 9,642.51 = 4,462.18 : x
  2. Step 2: Convert to fraction form
    6,439.36/9,642.51 = 4,462.18/x
  3. Step 3: Cross multiply
    6,439.36x = 9,642.51 × 4,462.18
  4. Step 4: Simplify right side
    6,439.36x = 43,026,615.27
  5. Step 5: Solve for x
    x = 43,026,615.27/6,439.36
  6. Step 6: Final answer
    x = 6,681.82

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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.