Home / 5,367.93-7,407.28-3,130.01

Finding the Fourth Proportional to 5,367.93, 7,407.28 and 3,130.01

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Solution

The fourth proportional to 5,367.93, 7,407.28 and 3,130.01 is: 4,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.93 : 7,407.28 = 3,130.01 : x
  2. Step 2: Convert to fraction form
    5,367.93/7,407.28 = 3,130.01/x
  3. Step 3: Cross multiply
    5,367.93x = 7,407.28 × 3,130.01
  4. Step 4: Simplify right side
    5,367.93x = 23,184,860.47
  5. Step 5: Solve for x
    x = 23,184,860.47/5,367.93
  6. Step 6: Final answer
    x = 4,319.14

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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.