Home / 5,390.02-7,441.14-3,630.94

Finding the Fourth Proportional to 5,390.02, 7,441.14 and 3,630.94

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Solution

The fourth proportional to 5,390.02, 7,441.14 and 3,630.94 is: 5,012.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.02 : 7,441.14 = 3,630.94 : x
  2. Step 2: Convert to fraction form
    5,390.02/7,441.14 = 3,630.94/x
  3. Step 3: Cross multiply
    5,390.02x = 7,441.14 × 3,630.94
  4. Step 4: Simplify right side
    5,390.02x = 27,018,332.87
  5. Step 5: Solve for x
    x = 27,018,332.87/5,390.02
  6. Step 6: Final answer
    x = 5,012.66

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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.