Home / 7,021.76-10,501.66-6,247.20

Finding the Fourth Proportional to 7,021.76, 10,501.66 and 6,247.20

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Solution

The fourth proportional to 7,021.76, 10,501.66 and 6,247.20 is: 9,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.76 : 10,501.66 = 6,247.20 : x
  2. Step 2: Convert to fraction form
    7,021.76/10,501.66 = 6,247.20/x
  3. Step 3: Cross multiply
    7,021.76x = 10,501.66 × 6,247.20
  4. Step 4: Simplify right side
    7,021.76x = 65,605,978.16
  5. Step 5: Solve for x
    x = 65,605,978.16/7,021.76
  6. Step 6: Final answer
    x = 9,343.24

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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.