Home / 6,154.81-8,490.40-4,166.04

Finding the Fourth Proportional to 6,154.81, 8,490.40 and 4,166.04

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Solution

The fourth proportional to 6,154.81, 8,490.40 and 4,166.04 is: 5,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,154.81 : 8,490.40 = 4,166.04 : x
  2. Step 2: Convert to fraction form
    6,154.81/8,490.40 = 4,166.04/x
  3. Step 3: Cross multiply
    6,154.81x = 8,490.40 × 4,166.04
  4. Step 4: Simplify right side
    6,154.81x = 35,371,346.02
  5. Step 5: Solve for x
    x = 35,371,346.02/6,154.81
  6. Step 6: Final answer
    x = 5,746.94

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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.