Home / 6,864.45-10,294.55-2,915.67

Finding the Fourth Proportional to 6,864.45, 10,294.55 and 2,915.67

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Solution

The fourth proportional to 6,864.45, 10,294.55 and 2,915.67 is: 4,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.45 : 10,294.55 = 2,915.67 : x
  2. Step 2: Convert to fraction form
    6,864.45/10,294.55 = 2,915.67/x
  3. Step 3: Cross multiply
    6,864.45x = 10,294.55 × 2,915.67
  4. Step 4: Simplify right side
    6,864.45x = 30,015,496.02
  5. Step 5: Solve for x
    x = 30,015,496.02/6,864.45
  6. Step 6: Final answer
    x = 4,372.60

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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.