Home / 4,750.31-7,125.57-1,630.31

Finding the Fourth Proportional to 4,750.31, 7,125.57 and 1,630.31

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Solution

The fourth proportional to 4,750.31, 7,125.57 and 1,630.31 is: 2,445.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750.31 : 7,125.57 = 1,630.31 : x
  2. Step 2: Convert to fraction form
    4,750.31/7,125.57 = 1,630.31/x
  3. Step 3: Cross multiply
    4,750.31x = 7,125.57 × 1,630.31
  4. Step 4: Simplify right side
    4,750.31x = 11,616,852.40
  5. Step 5: Solve for x
    x = 11,616,852.40/4,750.31
  6. Step 6: Final answer
    x = 2,445.49

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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.