Home / 5,680.60-8,510.34-3,085.72

Finding the Fourth Proportional to 5,680.60, 8,510.34 and 3,085.72

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Solution

The fourth proportional to 5,680.60, 8,510.34 and 3,085.72 is: 4,622.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.60 : 8,510.34 = 3,085.72 : x
  2. Step 2: Convert to fraction form
    5,680.60/8,510.34 = 3,085.72/x
  3. Step 3: Cross multiply
    5,680.60x = 8,510.34 × 3,085.72
  4. Step 4: Simplify right side
    5,680.60x = 26,260,526.34
  5. Step 5: Solve for x
    x = 26,260,526.34/5,680.60
  6. Step 6: Final answer
    x = 4,622.84

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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.