Home / 8,433.42-11,642.77-5,077.05

Finding the Fourth Proportional to 8,433.42, 11,642.77 and 5,077.05

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Solution

The fourth proportional to 8,433.42, 11,642.77 and 5,077.05 is: 7,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.42 : 11,642.77 = 5,077.05 : x
  2. Step 2: Convert to fraction form
    8,433.42/11,642.77 = 5,077.05/x
  3. Step 3: Cross multiply
    8,433.42x = 11,642.77 × 5,077.05
  4. Step 4: Simplify right side
    8,433.42x = 59,110,925.43
  5. Step 5: Solve for x
    x = 59,110,925.43/8,433.42
  6. Step 6: Final answer
    x = 7,009.13

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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.