Home / 7,070.42-10,605.53-2,389.43

Finding the Fourth Proportional to 7,070.42, 10,605.53 and 2,389.43

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Solution

The fourth proportional to 7,070.42, 10,605.53 and 2,389.43 is: 3,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.42 : 10,605.53 = 2,389.43 : x
  2. Step 2: Convert to fraction form
    7,070.42/10,605.53 = 2,389.43/x
  3. Step 3: Cross multiply
    7,070.42x = 10,605.53 × 2,389.43
  4. Step 4: Simplify right side
    7,070.42x = 25,341,204.04
  5. Step 5: Solve for x
    x = 25,341,204.04/7,070.42
  6. Step 6: Final answer
    x = 3,584.11

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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.