Home / 4,608.40-6,910.52-1,320.74

Finding the Fourth Proportional to 4,608.40, 6,910.52 and 1,320.74

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Solution

The fourth proportional to 4,608.40, 6,910.52 and 1,320.74 is: 1,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.40 : 6,910.52 = 1,320.74 : x
  2. Step 2: Convert to fraction form
    4,608.40/6,910.52 = 1,320.74/x
  3. Step 3: Cross multiply
    4,608.40x = 6,910.52 × 1,320.74
  4. Step 4: Simplify right side
    4,608.40x = 9,127,000.18
  5. Step 5: Solve for x
    x = 9,127,000.18/4,608.40
  6. Step 6: Final answer
    x = 1,980.51

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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.