Home / 7,612.60-11,407.96-4,485.24

Finding the Fourth Proportional to 7,612.60, 11,407.96 and 4,485.24

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Solution

The fourth proportional to 7,612.60, 11,407.96 and 4,485.24 is: 6,721.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.60 : 11,407.96 = 4,485.24 : x
  2. Step 2: Convert to fraction form
    7,612.60/11,407.96 = 4,485.24/x
  3. Step 3: Cross multiply
    7,612.60x = 11,407.96 × 4,485.24
  4. Step 4: Simplify right side
    7,612.60x = 51,167,438.51
  5. Step 5: Solve for x
    x = 51,167,438.51/7,612.60
  6. Step 6: Final answer
    x = 6,721.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.