Home / 7,895.66-10,895.88-4,358.78

Finding the Fourth Proportional to 7,895.66, 10,895.88 and 4,358.78

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Solution

The fourth proportional to 7,895.66, 10,895.88 and 4,358.78 is: 6,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.66 : 10,895.88 = 4,358.78 : x
  2. Step 2: Convert to fraction form
    7,895.66/10,895.88 = 4,358.78/x
  3. Step 3: Cross multiply
    7,895.66x = 10,895.88 × 4,358.78
  4. Step 4: Simplify right side
    7,895.66x = 47,492,743.83
  5. Step 5: Solve for x
    x = 47,492,743.83/7,895.66
  6. Step 6: Final answer
    x = 6,015.04

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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.