Home / 10,490.40-15,735.76-3,095.04

Finding the Fourth Proportional to 10,490.40, 15,735.76 and 3,095.04

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Solution

The fourth proportional to 10,490.40, 15,735.76 and 3,095.04 is: 4,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.40 : 15,735.76 = 3,095.04 : x
  2. Step 2: Convert to fraction form
    10,490.40/15,735.76 = 3,095.04/x
  3. Step 3: Cross multiply
    10,490.40x = 15,735.76 × 3,095.04
  4. Step 4: Simplify right side
    10,490.40x = 48,702,806.63
  5. Step 5: Solve for x
    x = 48,702,806.63/10,490.40
  6. Step 6: Final answer
    x = 4,642.61

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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.