Home / 7,492.80-11,239.20-7,383.45

Finding the Fourth Proportional to 7,492.80, 11,239.20 and 7,383.45

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Solution

The fourth proportional to 7,492.80, 11,239.20 and 7,383.45 is: 11,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.80 : 11,239.20 = 7,383.45 : x
  2. Step 2: Convert to fraction form
    7,492.80/11,239.20 = 7,383.45/x
  3. Step 3: Cross multiply
    7,492.80x = 11,239.20 × 7,383.45
  4. Step 4: Simplify right side
    7,492.80x = 82,984,071.24
  5. Step 5: Solve for x
    x = 82,984,071.24/7,492.80
  6. Step 6: Final answer
    x = 11,075.18

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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.