Home / 8,340.30-11,509.02-4,983.39

Finding the Fourth Proportional to 8,340.30, 11,509.02 and 4,983.39

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Solution

The fourth proportional to 8,340.30, 11,509.02 and 4,983.39 is: 6,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.30 : 11,509.02 = 4,983.39 : x
  2. Step 2: Convert to fraction form
    8,340.30/11,509.02 = 4,983.39/x
  3. Step 3: Cross multiply
    8,340.30x = 11,509.02 × 4,983.39
  4. Step 4: Simplify right side
    8,340.30x = 57,353,935.18
  5. Step 5: Solve for x
    x = 57,353,935.18/8,340.30
  6. Step 6: Final answer
    x = 6,876.72

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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.