Home / 7,748.45-11,603.53-4,053.78

Finding the Fourth Proportional to 7,748.45, 11,603.53 and 4,053.78

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Solution

The fourth proportional to 7,748.45, 11,603.53 and 4,053.78 is: 6,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748.45 : 11,603.53 = 4,053.78 : x
  2. Step 2: Convert to fraction form
    7,748.45/11,603.53 = 4,053.78/x
  3. Step 3: Cross multiply
    7,748.45x = 11,603.53 × 4,053.78
  4. Step 4: Simplify right side
    7,748.45x = 47,038,157.84
  5. Step 5: Solve for x
    x = 47,038,157.84/7,748.45
  6. Step 6: Final answer
    x = 6,070.65

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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.