Home / 7,970.64-10,999.56-4,434.60

Finding the Fourth Proportional to 7,970.64, 10,999.56 and 4,434.60

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Solution

The fourth proportional to 7,970.64, 10,999.56 and 4,434.60 is: 6,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.64 : 10,999.56 = 4,434.60 : x
  2. Step 2: Convert to fraction form
    7,970.64/10,999.56 = 4,434.60/x
  3. Step 3: Cross multiply
    7,970.64x = 10,999.56 × 4,434.60
  4. Step 4: Simplify right side
    7,970.64x = 48,778,648.78
  5. Step 5: Solve for x
    x = 48,778,648.78/7,970.64
  6. Step 6: Final answer
    x = 6,119.79

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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.