Home / 6,864.75-9,474.57-4,070.25

Finding the Fourth Proportional to 6,864.75, 9,474.57 and 4,070.25

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Solution

The fourth proportional to 6,864.75, 9,474.57 and 4,070.25 is: 5,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.75 : 9,474.57 = 4,070.25 : x
  2. Step 2: Convert to fraction form
    6,864.75/9,474.57 = 4,070.25/x
  3. Step 3: Cross multiply
    6,864.75x = 9,474.57 × 4,070.25
  4. Step 4: Simplify right side
    6,864.75x = 38,563,868.54
  5. Step 5: Solve for x
    x = 38,563,868.54/6,864.75
  6. Step 6: Final answer
    x = 5,617.67

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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.