Home / 6,856.29-9,461.85-4,205.16

Finding the Fourth Proportional to 6,856.29, 9,461.85 and 4,205.16

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Solution

The fourth proportional to 6,856.29, 9,461.85 and 4,205.16 is: 5,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.29 : 9,461.85 = 4,205.16 : x
  2. Step 2: Convert to fraction form
    6,856.29/9,461.85 = 4,205.16/x
  3. Step 3: Cross multiply
    6,856.29x = 9,461.85 × 4,205.16
  4. Step 4: Simplify right side
    6,856.29x = 39,788,545.84
  5. Step 5: Solve for x
    x = 39,788,545.84/6,856.29
  6. Step 6: Final answer
    x = 5,803.22

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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.