Home / 6,746.40-10,107.12-5,657.76

Finding the Fourth Proportional to 6,746.40, 10,107.12 and 5,657.76

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Solution

The fourth proportional to 6,746.40, 10,107.12 and 5,657.76 is: 8,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.40 : 10,107.12 = 5,657.76 : x
  2. Step 2: Convert to fraction form
    6,746.40/10,107.12 = 5,657.76/x
  3. Step 3: Cross multiply
    6,746.40x = 10,107.12 × 5,657.76
  4. Step 4: Simplify right side
    6,746.40x = 57,183,659.25
  5. Step 5: Solve for x
    x = 57,183,659.25/6,746.40
  6. Step 6: Final answer
    x = 8,476.17

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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.