Home / 8,319.05-12,482.02-4,993.70

Finding the Fourth Proportional to 8,319.05, 12,482.02 and 4,993.70

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Solution

The fourth proportional to 8,319.05, 12,482.02 and 4,993.70 is: 7,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.05 : 12,482.02 = 4,993.70 : x
  2. Step 2: Convert to fraction form
    8,319.05/12,482.02 = 4,993.70/x
  3. Step 3: Cross multiply
    8,319.05x = 12,482.02 × 4,993.70
  4. Step 4: Simplify right side
    8,319.05x = 62,331,491.36
  5. Step 5: Solve for x
    x = 62,331,491.36/8,319.05
  6. Step 6: Final answer
    x = 7,492.62

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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.