Home / 7,485.88-10,331.40-4,342.18

Finding the Fourth Proportional to 7,485.88, 10,331.40 and 4,342.18

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Solution

The fourth proportional to 7,485.88, 10,331.40 and 4,342.18 is: 5,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.88 : 10,331.40 = 4,342.18 : x
  2. Step 2: Convert to fraction form
    7,485.88/10,331.40 = 4,342.18/x
  3. Step 3: Cross multiply
    7,485.88x = 10,331.40 × 4,342.18
  4. Step 4: Simplify right side
    7,485.88x = 44,860,798.45
  5. Step 5: Solve for x
    x = 44,860,798.45/7,485.88
  6. Step 6: Final answer
    x = 5,992.72

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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.