Home / 8,916.20-12,303.47-4,936.92

Finding the Fourth Proportional to 8,916.20, 12,303.47 and 4,936.92

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Solution

The fourth proportional to 8,916.20, 12,303.47 and 4,936.92 is: 6,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.20 : 12,303.47 = 4,936.92 : x
  2. Step 2: Convert to fraction form
    8,916.20/12,303.47 = 4,936.92/x
  3. Step 3: Cross multiply
    8,916.20x = 12,303.47 × 4,936.92
  4. Step 4: Simplify right side
    8,916.20x = 60,741,303.24
  5. Step 5: Solve for x
    x = 60,741,303.24/8,916.20
  6. Step 6: Final answer
    x = 6,812.46

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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.