Home / 6,916.24-10,373.52-1,985.76

Finding the Fourth Proportional to 6,916.24, 10,373.52 and 1,985.76

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Solution

The fourth proportional to 6,916.24, 10,373.52 and 1,985.76 is: 2,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.24 : 10,373.52 = 1,985.76 : x
  2. Step 2: Convert to fraction form
    6,916.24/10,373.52 = 1,985.76/x
  3. Step 3: Cross multiply
    6,916.24x = 10,373.52 × 1,985.76
  4. Step 4: Simplify right side
    6,916.24x = 20,599,321.08
  5. Step 5: Solve for x
    x = 20,599,321.08/6,916.24
  6. Step 6: Final answer
    x = 2,978.40

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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.