Home / 7,070.13-10,600.84-2,389.70

Finding the Fourth Proportional to 7,070.13, 10,600.84 and 2,389.70

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Solution

The fourth proportional to 7,070.13, 10,600.84 and 2,389.70 is: 3,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.13 : 10,600.84 = 2,389.70 : x
  2. Step 2: Convert to fraction form
    7,070.13/10,600.84 = 2,389.70/x
  3. Step 3: Cross multiply
    7,070.13x = 10,600.84 × 2,389.70
  4. Step 4: Simplify right side
    7,070.13x = 25,332,827.35
  5. Step 5: Solve for x
    x = 25,332,827.35/7,070.13
  6. Step 6: Final answer
    x = 3,583.08

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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.