Home / 5,339.13-8,009.34-2,870.55

Finding the Fourth Proportional to 5,339.13, 8,009.34 and 2,870.55

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Solution

The fourth proportional to 5,339.13, 8,009.34 and 2,870.55 is: 4,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.13 : 8,009.34 = 2,870.55 : x
  2. Step 2: Convert to fraction form
    5,339.13/8,009.34 = 2,870.55/x
  3. Step 3: Cross multiply
    5,339.13x = 8,009.34 × 2,870.55
  4. Step 4: Simplify right side
    5,339.13x = 22,991,210.94
  5. Step 5: Solve for x
    x = 22,991,210.94/5,339.13
  6. Step 6: Final answer
    x = 4,306.17

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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.