Home / 9,264.89-12,784.36-5,285.77

Finding the Fourth Proportional to 9,264.89, 12,784.36 and 5,285.77

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Solution

The fourth proportional to 9,264.89, 12,784.36 and 5,285.77 is: 7,293.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264.89 : 12,784.36 = 5,285.77 : x
  2. Step 2: Convert to fraction form
    9,264.89/12,784.36 = 5,285.77/x
  3. Step 3: Cross multiply
    9,264.89x = 12,784.36 × 5,285.77
  4. Step 4: Simplify right side
    9,264.89x = 67,575,186.56
  5. Step 5: Solve for x
    x = 67,575,186.56/9,264.89
  6. Step 6: Final answer
    x = 7,293.68

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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.