Home / 7,353.04-10,143.12-4,659.31

Finding the Fourth Proportional to 7,353.04, 10,143.12 and 4,659.31

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Solution

The fourth proportional to 7,353.04, 10,143.12 and 4,659.31 is: 6,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.04 : 10,143.12 = 4,659.31 : x
  2. Step 2: Convert to fraction form
    7,353.04/10,143.12 = 4,659.31/x
  3. Step 3: Cross multiply
    7,353.04x = 10,143.12 × 4,659.31
  4. Step 4: Simplify right side
    7,353.04x = 47,259,940.45
  5. Step 5: Solve for x
    x = 47,259,940.45/7,353.04
  6. Step 6: Final answer
    x = 6,427.27

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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.