Home / 7,498.21-11,240.63-3,798.53

Finding the Fourth Proportional to 7,498.21, 11,240.63 and 3,798.53

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Solution

The fourth proportional to 7,498.21, 11,240.63 and 3,798.53 is: 5,694.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.21 : 11,240.63 = 3,798.53 : x
  2. Step 2: Convert to fraction form
    7,498.21/11,240.63 = 3,798.53/x
  3. Step 3: Cross multiply
    7,498.21x = 11,240.63 × 3,798.53
  4. Step 4: Simplify right side
    7,498.21x = 42,697,851.28
  5. Step 5: Solve for x
    x = 42,697,851.28/7,498.21
  6. Step 6: Final answer
    x = 5,694.41

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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.