Home / 7,284.10-10,904.55-4,821.70

Finding the Fourth Proportional to 7,284.10, 10,904.55 and 4,821.70

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Solution

The fourth proportional to 7,284.10, 10,904.55 and 4,821.70 is: 7,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.10 : 10,904.55 = 4,821.70 : x
  2. Step 2: Convert to fraction form
    7,284.10/10,904.55 = 4,821.70/x
  3. Step 3: Cross multiply
    7,284.10x = 10,904.55 × 4,821.70
  4. Step 4: Simplify right side
    7,284.10x = 52,578,468.74
  5. Step 5: Solve for x
    x = 52,578,468.74/7,284.10
  6. Step 6: Final answer
    x = 7,218.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.