Home / 4,607.48-6,910.68-1,320.50

Finding the Fourth Proportional to 4,607.48, 6,910.68 and 1,320.50

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Solution

The fourth proportional to 4,607.48, 6,910.68 and 1,320.50 is: 1,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.48 : 6,910.68 = 1,320.50 : x
  2. Step 2: Convert to fraction form
    4,607.48/6,910.68 = 1,320.50/x
  3. Step 3: Cross multiply
    4,607.48x = 6,910.68 × 1,320.50
  4. Step 4: Simplify right side
    4,607.48x = 9,125,552.94
  5. Step 5: Solve for x
    x = 9,125,552.94/4,607.48
  6. Step 6: Final answer
    x = 1,980.60

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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.