Home / 7,079.81-10,610.46-2,915.06

Finding the Fourth Proportional to 7,079.81, 10,610.46 and 2,915.06

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Solution

The fourth proportional to 7,079.81, 10,610.46 and 2,915.06 is: 4,368.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.81 : 10,610.46 = 2,915.06 : x
  2. Step 2: Convert to fraction form
    7,079.81/10,610.46 = 2,915.06/x
  3. Step 3: Cross multiply
    7,079.81x = 10,610.46 × 2,915.06
  4. Step 4: Simplify right side
    7,079.81x = 30,930,074.48
  5. Step 5: Solve for x
    x = 30,930,074.48/7,079.81
  6. Step 6: Final answer
    x = 4,368.77

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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.