Home / 8,123.64-11,210.58-4,397.64

Finding the Fourth Proportional to 8,123.64, 11,210.58 and 4,397.64

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Solution

The fourth proportional to 8,123.64, 11,210.58 and 4,397.64 is: 6,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123.64 : 11,210.58 = 4,397.64 : x
  2. Step 2: Convert to fraction form
    8,123.64/11,210.58 = 4,397.64/x
  3. Step 3: Cross multiply
    8,123.64x = 11,210.58 × 4,397.64
  4. Step 4: Simplify right side
    8,123.64x = 49,300,095.03
  5. Step 5: Solve for x
    x = 49,300,095.03/8,123.64
  6. Step 6: Final answer
    x = 6,068.72

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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.