Home / 4,988.63-7,482.68-1,525.88

Finding the Fourth Proportional to 4,988.63, 7,482.68 and 1,525.88

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Solution

The fourth proportional to 4,988.63, 7,482.68 and 1,525.88 is: 2,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.63 : 7,482.68 = 1,525.88 : x
  2. Step 2: Convert to fraction form
    4,988.63/7,482.68 = 1,525.88/x
  3. Step 3: Cross multiply
    4,988.63x = 7,482.68 × 1,525.88
  4. Step 4: Simplify right side
    4,988.63x = 11,417,688.56
  5. Step 5: Solve for x
    x = 11,417,688.56/4,988.63
  6. Step 6: Final answer
    x = 2,288.74

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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.