Home / 6,812.20-9,417.73-6,749.93

Finding the Fourth Proportional to 6,812.20, 9,417.73 and 6,749.93

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Solution

The fourth proportional to 6,812.20, 9,417.73 and 6,749.93 is: 9,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,812.20 : 9,417.73 = 6,749.93 : x
  2. Step 2: Convert to fraction form
    6,812.20/9,417.73 = 6,749.93/x
  3. Step 3: Cross multiply
    6,812.20x = 9,417.73 × 6,749.93
  4. Step 4: Simplify right side
    6,812.20x = 63,569,047.08
  5. Step 5: Solve for x
    x = 63,569,047.08/6,812.20
  6. Step 6: Final answer
    x = 9,331.65

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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.