Home / 7,977.13-11,009.48-4,575.47

Finding the Fourth Proportional to 7,977.13, 11,009.48 and 4,575.47

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Solution

The fourth proportional to 7,977.13, 11,009.48 and 4,575.47 is: 6,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.13 : 11,009.48 = 4,575.47 : x
  2. Step 2: Convert to fraction form
    7,977.13/11,009.48 = 4,575.47/x
  3. Step 3: Cross multiply
    7,977.13x = 11,009.48 × 4,575.47
  4. Step 4: Simplify right side
    7,977.13x = 50,373,522.58
  5. Step 5: Solve for x
    x = 50,373,522.58/7,977.13
  6. Step 6: Final answer
    x = 6,314.74

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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.