Home / 8,895.76-12,275.60-4,916.80

Finding the Fourth Proportional to 8,895.76, 12,275.60 and 4,916.80

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Solution

The fourth proportional to 8,895.76, 12,275.60 and 4,916.80 is: 6,784.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.76 : 12,275.60 = 4,916.80 : x
  2. Step 2: Convert to fraction form
    8,895.76/12,275.60 = 4,916.80/x
  3. Step 3: Cross multiply
    8,895.76x = 12,275.60 × 4,916.80
  4. Step 4: Simplify right side
    8,895.76x = 60,356,670.08
  5. Step 5: Solve for x
    x = 60,356,670.08/8,895.76
  6. Step 6: Final answer
    x = 6,784.88

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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.