Home / 9,145.50-12,620.88-4,953.84

Finding the Fourth Proportional to 9,145.50, 12,620.88 and 4,953.84

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Solution

The fourth proportional to 9,145.50, 12,620.88 and 4,953.84 is: 6,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.50 : 12,620.88 = 4,953.84 : x
  2. Step 2: Convert to fraction form
    9,145.50/12,620.88 = 4,953.84/x
  3. Step 3: Cross multiply
    9,145.50x = 12,620.88 × 4,953.84
  4. Step 4: Simplify right side
    9,145.50x = 62,521,820.18
  5. Step 5: Solve for x
    x = 62,521,820.18/9,145.50
  6. Step 6: Final answer
    x = 6,836.35

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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.