Home / 7,482.63-11,228.96-4,711.21

Finding the Fourth Proportional to 7,482.63, 11,228.96 and 4,711.21

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Solution

The fourth proportional to 7,482.63, 11,228.96 and 4,711.21 is: 7,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.63 : 11,228.96 = 4,711.21 : x
  2. Step 2: Convert to fraction form
    7,482.63/11,228.96 = 4,711.21/x
  3. Step 3: Cross multiply
    7,482.63x = 11,228.96 × 4,711.21
  4. Step 4: Simplify right side
    7,482.63x = 52,901,988.64
  5. Step 5: Solve for x
    x = 52,901,988.64/7,482.63
  6. Step 6: Final answer
    x = 7,069.97

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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.