Home / 8,017.36-12,030.28-5,378.38

Finding the Fourth Proportional to 8,017.36, 12,030.28 and 5,378.38

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Solution

The fourth proportional to 8,017.36, 12,030.28 and 5,378.38 is: 8,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,017.36 : 12,030.28 = 5,378.38 : x
  2. Step 2: Convert to fraction form
    8,017.36/12,030.28 = 5,378.38/x
  3. Step 3: Cross multiply
    8,017.36x = 12,030.28 × 5,378.38
  4. Step 4: Simplify right side
    8,017.36x = 64,703,417.35
  5. Step 5: Solve for x
    x = 64,703,417.35/8,017.36
  6. Step 6: Final answer
    x = 8,070.41

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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.