Home / 7,328.80-10,114.08-4,346.40

Finding the Fourth Proportional to 7,328.80, 10,114.08 and 4,346.40

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Solution

The fourth proportional to 7,328.80, 10,114.08 and 4,346.40 is: 5,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.80 : 10,114.08 = 4,346.40 : x
  2. Step 2: Convert to fraction form
    7,328.80/10,114.08 = 4,346.40/x
  3. Step 3: Cross multiply
    7,328.80x = 10,114.08 × 4,346.40
  4. Step 4: Simplify right side
    7,328.80x = 43,959,837.31
  5. Step 5: Solve for x
    x = 43,959,837.31/7,328.80
  6. Step 6: Final answer
    x = 5,998.23

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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.