Home / 7,255.81-10,018.67-5,574.55

Finding the Fourth Proportional to 7,255.81, 10,018.67 and 5,574.55

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Solution

The fourth proportional to 7,255.81, 10,018.67 and 5,574.55 is: 7,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.81 : 10,018.67 = 5,574.55 : x
  2. Step 2: Convert to fraction form
    7,255.81/10,018.67 = 5,574.55/x
  3. Step 3: Cross multiply
    7,255.81x = 10,018.67 × 5,574.55
  4. Step 4: Simplify right side
    7,255.81x = 55,849,576.85
  5. Step 5: Solve for x
    x = 55,849,576.85/7,255.81
  6. Step 6: Final answer
    x = 7,697.22

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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.