Home / 7,485.40-10,329.15-4,341.25

Finding the Fourth Proportional to 7,485.40, 10,329.15 and 4,341.25

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Solution

The fourth proportional to 7,485.40, 10,329.15 and 4,341.25 is: 5,990.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.40 : 10,329.15 = 4,341.25 : x
  2. Step 2: Convert to fraction form
    7,485.40/10,329.15 = 4,341.25/x
  3. Step 3: Cross multiply
    7,485.40x = 10,329.15 × 4,341.25
  4. Step 4: Simplify right side
    7,485.40x = 44,841,422.44
  5. Step 5: Solve for x
    x = 44,841,422.44/7,485.40
  6. Step 6: Final answer
    x = 5,990.52

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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.