Home / 5,390.51-7,437.42-3,152.93

Finding the Fourth Proportional to 5,390.51, 7,437.42 and 3,152.93

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Solution

The fourth proportional to 5,390.51, 7,437.42 and 3,152.93 is: 4,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.51 : 7,437.42 = 3,152.93 : x
  2. Step 2: Convert to fraction form
    5,390.51/7,437.42 = 3,152.93/x
  3. Step 3: Cross multiply
    5,390.51x = 7,437.42 × 3,152.93
  4. Step 4: Simplify right side
    5,390.51x = 23,449,627.45
  5. Step 5: Solve for x
    x = 23,449,627.45/5,390.51
  6. Step 6: Final answer
    x = 4,350.17

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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.