Home / 4,585.91-6,878.88-1,123.16

Finding the Fourth Proportional to 4,585.91, 6,878.88 and 1,123.16

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Solution

The fourth proportional to 4,585.91, 6,878.88 and 1,123.16 is: 1,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585.91 : 6,878.88 = 1,123.16 : x
  2. Step 2: Convert to fraction form
    4,585.91/6,878.88 = 1,123.16/x
  3. Step 3: Cross multiply
    4,585.91x = 6,878.88 × 1,123.16
  4. Step 4: Simplify right side
    4,585.91x = 7,726,048.47
  5. Step 5: Solve for x
    x = 7,726,048.47/4,585.91
  6. Step 6: Final answer
    x = 1,684.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.