Home / 6,856.40-10,269.48-5,551.76

Finding the Fourth Proportional to 6,856.40, 10,269.48 and 5,551.76

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Solution

The fourth proportional to 6,856.40, 10,269.48 and 5,551.76 is: 8,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.40 : 10,269.48 = 5,551.76 : x
  2. Step 2: Convert to fraction form
    6,856.40/10,269.48 = 5,551.76/x
  3. Step 3: Cross multiply
    6,856.40x = 10,269.48 × 5,551.76
  4. Step 4: Simplify right side
    6,856.40x = 57,013,688.28
  5. Step 5: Solve for x
    x = 57,013,688.28/6,856.40
  6. Step 6: Final answer
    x = 8,315.40

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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.