Home / 8,895.69-12,275.90-4,916.87

Finding the Fourth Proportional to 8,895.69, 12,275.90 and 4,916.87

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Solution

The fourth proportional to 8,895.69, 12,275.90 and 4,916.87 is: 6,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.69 : 12,275.90 = 4,916.87 : x
  2. Step 2: Convert to fraction form
    8,895.69/12,275.90 = 4,916.87/x
  3. Step 3: Cross multiply
    8,895.69x = 12,275.90 × 4,916.87
  4. Step 4: Simplify right side
    8,895.69x = 60,358,982.94
  5. Step 5: Solve for x
    x = 60,358,982.94/8,895.69
  6. Step 6: Final answer
    x = 6,785.19

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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.