Home / 7,291.22-10,038.69-6,359.38

Finding the Fourth Proportional to 7,291.22, 10,038.69 and 6,359.38

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Solution

The fourth proportional to 7,291.22, 10,038.69 and 6,359.38 is: 8,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.22 : 10,038.69 = 6,359.38 : x
  2. Step 2: Convert to fraction form
    7,291.22/10,038.69 = 6,359.38/x
  3. Step 3: Cross multiply
    7,291.22x = 10,038.69 × 6,359.38
  4. Step 4: Simplify right side
    7,291.22x = 63,839,844.41
  5. Step 5: Solve for x
    x = 63,839,844.41/7,291.22
  6. Step 6: Final answer
    x = 8,755.72

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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.