Home / 9,210.39-12,711.53-5,624.58

Finding the Fourth Proportional to 9,210.39, 12,711.53 and 5,624.58

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Solution

The fourth proportional to 9,210.39, 12,711.53 and 5,624.58 is: 7,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.39 : 12,711.53 = 5,624.58 : x
  2. Step 2: Convert to fraction form
    9,210.39/12,711.53 = 5,624.58/x
  3. Step 3: Cross multiply
    9,210.39x = 12,711.53 × 5,624.58
  4. Step 4: Simplify right side
    9,210.39x = 71,497,017.41
  5. Step 5: Solve for x
    x = 71,497,017.41/9,210.39
  6. Step 6: Final answer
    x = 7,762.65

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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.