Home / 7,389.48-10,195.60-5,000.68

Finding the Fourth Proportional to 7,389.48, 10,195.60 and 5,000.68

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Solution

The fourth proportional to 7,389.48, 10,195.60 and 5,000.68 is: 6,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.48 : 10,195.60 = 5,000.68 : x
  2. Step 2: Convert to fraction form
    7,389.48/10,195.60 = 5,000.68/x
  3. Step 3: Cross multiply
    7,389.48x = 10,195.60 × 5,000.68
  4. Step 4: Simplify right side
    7,389.48x = 50,984,933.01
  5. Step 5: Solve for x
    x = 50,984,933.01/7,389.48
  6. Step 6: Final answer
    x = 6,899.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.