Home / 7,748.98-10,693.14-4,212.18

Finding the Fourth Proportional to 7,748.98, 10,693.14 and 4,212.18

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Solution

The fourth proportional to 7,748.98, 10,693.14 and 4,212.18 is: 5,812.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.98 : 10,693.14 = 4,212.18 : x
  2. Step 2: Convert to fraction form
    7,748.98/10,693.14 = 4,212.18/x
  3. Step 3: Cross multiply
    7,748.98x = 10,693.14 × 4,212.18
  4. Step 4: Simplify right side
    7,748.98x = 45,041,430.45
  5. Step 5: Solve for x
    x = 45,041,430.45/7,748.98
  6. Step 6: Final answer
    x = 5,812.56

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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.