Home / 9,851.52-13,590.81-6,490.02

Finding the Fourth Proportional to 9,851.52, 13,590.81 and 6,490.02

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Solution

The fourth proportional to 9,851.52, 13,590.81 and 6,490.02 is: 8,953.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.52 : 13,590.81 = 6,490.02 : x
  2. Step 2: Convert to fraction form
    9,851.52/13,590.81 = 6,490.02/x
  3. Step 3: Cross multiply
    9,851.52x = 13,590.81 × 6,490.02
  4. Step 4: Simplify right side
    9,851.52x = 88,204,628.72
  5. Step 5: Solve for x
    x = 88,204,628.72/9,851.52
  6. Step 6: Final answer
    x = 8,953.40

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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.