Home / 7,339.32-10,129.59-4,790.25

Finding the Fourth Proportional to 7,339.32, 10,129.59 and 4,790.25

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Solution

The fourth proportional to 7,339.32, 10,129.59 and 4,790.25 is: 6,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.32 : 10,129.59 = 4,790.25 : x
  2. Step 2: Convert to fraction form
    7,339.32/10,129.59 = 4,790.25/x
  3. Step 3: Cross multiply
    7,339.32x = 10,129.59 × 4,790.25
  4. Step 4: Simplify right side
    7,339.32x = 48,523,268.50
  5. Step 5: Solve for x
    x = 48,523,268.50/7,339.32
  6. Step 6: Final answer
    x = 6,611.41

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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.