Home / 7,881.02-10,875.36-4,523.12

Finding the Fourth Proportional to 7,881.02, 10,875.36 and 4,523.12

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Solution

The fourth proportional to 7,881.02, 10,875.36 and 4,523.12 is: 6,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.02 : 10,875.36 = 4,523.12 : x
  2. Step 2: Convert to fraction form
    7,881.02/10,875.36 = 4,523.12/x
  3. Step 3: Cross multiply
    7,881.02x = 10,875.36 × 4,523.12
  4. Step 4: Simplify right side
    7,881.02x = 49,190,558.32
  5. Step 5: Solve for x
    x = 49,190,558.32/7,881.02
  6. Step 6: Final answer
    x = 6,241.65

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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.