Home / 7,777.90-11,637.69-4,317.58

Finding the Fourth Proportional to 7,777.90, 11,637.69 and 4,317.58

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Solution

The fourth proportional to 7,777.90, 11,637.69 and 4,317.58 is: 6,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.90 : 11,637.69 = 4,317.58 : x
  2. Step 2: Convert to fraction form
    7,777.90/11,637.69 = 4,317.58/x
  3. Step 3: Cross multiply
    7,777.90x = 11,637.69 × 4,317.58
  4. Step 4: Simplify right side
    7,777.90x = 50,246,657.59
  5. Step 5: Solve for x
    x = 50,246,657.59/7,777.90
  6. Step 6: Final answer
    x = 6,460.18

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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.