Home / 4,988.08-7,482.14-1,290.05

Finding the Fourth Proportional to 4,988.08, 7,482.14 and 1,290.05

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Solution

The fourth proportional to 4,988.08, 7,482.14 and 1,290.05 is: 1,935.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.08 : 7,482.14 = 1,290.05 : x
  2. Step 2: Convert to fraction form
    4,988.08/7,482.14 = 1,290.05/x
  3. Step 3: Cross multiply
    4,988.08x = 7,482.14 × 1,290.05
  4. Step 4: Simplify right side
    4,988.08x = 9,652,334.71
  5. Step 5: Solve for x
    x = 9,652,334.71/4,988.08
  6. Step 6: Final answer
    x = 1,935.08

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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.