Home / 8,653.61-11,942.91-5,298.68

Finding the Fourth Proportional to 8,653.61, 11,942.91 and 5,298.68

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Solution

The fourth proportional to 8,653.61, 11,942.91 and 5,298.68 is: 7,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.61 : 11,942.91 = 5,298.68 : x
  2. Step 2: Convert to fraction form
    8,653.61/11,942.91 = 5,298.68/x
  3. Step 3: Cross multiply
    8,653.61x = 11,942.91 × 5,298.68
  4. Step 4: Simplify right side
    8,653.61x = 63,281,658.36
  5. Step 5: Solve for x
    x = 63,281,658.36/8,653.61
  6. Step 6: Final answer
    x = 7,312.75

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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.