Home / 5,315.68-7,335.53-3,077.65

Finding the Fourth Proportional to 5,315.68, 7,335.53 and 3,077.65

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Solution

The fourth proportional to 5,315.68, 7,335.53 and 3,077.65 is: 4,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.68 : 7,335.53 = 3,077.65 : x
  2. Step 2: Convert to fraction form
    5,315.68/7,335.53 = 3,077.65/x
  3. Step 3: Cross multiply
    5,315.68x = 7,335.53 × 3,077.65
  4. Step 4: Simplify right side
    5,315.68x = 22,576,178.52
  5. Step 5: Solve for x
    x = 22,576,178.52/5,315.68
  6. Step 6: Final answer
    x = 4,247.09

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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.