Home / 4,647.78-6,970.19-1,527.07

Finding the Fourth Proportional to 4,647.78, 6,970.19 and 1,527.07

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Solution

The fourth proportional to 4,647.78, 6,970.19 and 1,527.07 is: 2,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.78 : 6,970.19 = 1,527.07 : x
  2. Step 2: Convert to fraction form
    4,647.78/6,970.19 = 1,527.07/x
  3. Step 3: Cross multiply
    4,647.78x = 6,970.19 × 1,527.07
  4. Step 4: Simplify right side
    4,647.78x = 10,643,933.09
  5. Step 5: Solve for x
    x = 10,643,933.09/4,647.78
  6. Step 6: Final answer
    x = 2,290.11

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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.