Home / 4,673.12-7,009.70-1,386.23

Finding the Fourth Proportional to 4,673.12, 7,009.70 and 1,386.23

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Solution

The fourth proportional to 4,673.12, 7,009.70 and 1,386.23 is: 2,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,673.12 : 7,009.70 = 1,386.23 : x
  2. Step 2: Convert to fraction form
    4,673.12/7,009.70 = 1,386.23/x
  3. Step 3: Cross multiply
    4,673.12x = 7,009.70 × 1,386.23
  4. Step 4: Simplify right side
    4,673.12x = 9,717,049.50
  5. Step 5: Solve for x
    x = 9,717,049.50/4,673.12
  6. Step 6: Final answer
    x = 2,079.35

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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.