Home / 7,901.34-11,842.76-4,389.66

Finding the Fourth Proportional to 7,901.34, 11,842.76 and 4,389.66

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Solution

The fourth proportional to 7,901.34, 11,842.76 and 4,389.66 is: 6,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.34 : 11,842.76 = 4,389.66 : x
  2. Step 2: Convert to fraction form
    7,901.34/11,842.76 = 4,389.66/x
  3. Step 3: Cross multiply
    7,901.34x = 11,842.76 × 4,389.66
  4. Step 4: Simplify right side
    7,901.34x = 51,985,689.86
  5. Step 5: Solve for x
    x = 51,985,689.86/7,901.34
  6. Step 6: Final answer
    x = 6,579.35

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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.