Home / 7,539.63-10,402.20-4,554.33

Finding the Fourth Proportional to 7,539.63, 10,402.20 and 4,554.33

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Solution

The fourth proportional to 7,539.63, 10,402.20 and 4,554.33 is: 6,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.63 : 10,402.20 = 4,554.33 : x
  2. Step 2: Convert to fraction form
    7,539.63/10,402.20 = 4,554.33/x
  3. Step 3: Cross multiply
    7,539.63x = 10,402.20 × 4,554.33
  4. Step 4: Simplify right side
    7,539.63x = 47,375,051.53
  5. Step 5: Solve for x
    x = 47,375,051.53/7,539.63
  6. Step 6: Final answer
    x = 6,283.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.