Home / 4,647.81-6,970.23-1,527.12

Finding the Fourth Proportional to 4,647.81, 6,970.23 and 1,527.12

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Solution

The fourth proportional to 4,647.81, 6,970.23 and 1,527.12 is: 2,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.81 : 6,970.23 = 1,527.12 : x
  2. Step 2: Convert to fraction form
    4,647.81/6,970.23 = 1,527.12/x
  3. Step 3: Cross multiply
    4,647.81x = 6,970.23 × 1,527.12
  4. Step 4: Simplify right side
    4,647.81x = 10,644,377.64
  5. Step 5: Solve for x
    x = 10,644,377.64/4,647.81
  6. Step 6: Final answer
    x = 2,290.19

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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.