Home / 7,182.03-9,911.75-4,038.69

Finding the Fourth Proportional to 7,182.03, 9,911.75 and 4,038.69

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Solution

The fourth proportional to 7,182.03, 9,911.75 and 4,038.69 is: 5,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.03 : 9,911.75 = 4,038.69 : x
  2. Step 2: Convert to fraction form
    7,182.03/9,911.75 = 4,038.69/x
  3. Step 3: Cross multiply
    7,182.03x = 9,911.75 × 4,038.69
  4. Step 4: Simplify right side
    7,182.03x = 40,030,465.41
  5. Step 5: Solve for x
    x = 40,030,465.41/7,182.03
  6. Step 6: Final answer
    x = 5,573.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.