Home / 8,123.70-11,210.71-4,587.14

Finding the Fourth Proportional to 8,123.70, 11,210.71 and 4,587.14

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Solution

The fourth proportional to 8,123.70, 11,210.71 and 4,587.14 is: 6,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.70 : 11,210.71 = 4,587.14 : x
  2. Step 2: Convert to fraction form
    8,123.70/11,210.71 = 4,587.14/x
  3. Step 3: Cross multiply
    8,123.70x = 11,210.71 × 4,587.14
  4. Step 4: Simplify right side
    8,123.70x = 51,425,124.30
  5. Step 5: Solve for x
    x = 51,425,124.30/8,123.70
  6. Step 6: Final answer
    x = 6,330.26

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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.