Home / 7,470.02-11,205.12-2,539.76

Finding the Fourth Proportional to 7,470.02, 11,205.12 and 2,539.76

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Solution

The fourth proportional to 7,470.02, 11,205.12 and 2,539.76 is: 3,809.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.02 : 11,205.12 = 2,539.76 : x
  2. Step 2: Convert to fraction form
    7,470.02/11,205.12 = 2,539.76/x
  3. Step 3: Cross multiply
    7,470.02x = 11,205.12 × 2,539.76
  4. Step 4: Simplify right side
    7,470.02x = 28,458,315.57
  5. Step 5: Solve for x
    x = 28,458,315.57/7,470.02
  6. Step 6: Final answer
    x = 3,809.67

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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.