Home / 7,079.00-9,771.66-5,315.69

Finding the Fourth Proportional to 7,079.00, 9,771.66 and 5,315.69

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Solution

The fourth proportional to 7,079.00, 9,771.66 and 5,315.69 is: 7,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.00 : 9,771.66 = 5,315.69 : x
  2. Step 2: Convert to fraction form
    7,079.00/9,771.66 = 5,315.69/x
  3. Step 3: Cross multiply
    7,079.00x = 9,771.66 × 5,315.69
  4. Step 4: Simplify right side
    7,079.00x = 51,943,139.77
  5. Step 5: Solve for x
    x = 51,943,139.77/7,079.00
  6. Step 6: Final answer
    x = 7,337.64

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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.