Home / 7,345.35-11,013.21-4,182.87

Finding the Fourth Proportional to 7,345.35, 11,013.21 and 4,182.87

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Solution

The fourth proportional to 7,345.35, 11,013.21 and 4,182.87 is: 6,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.35 : 11,013.21 = 4,182.87 : x
  2. Step 2: Convert to fraction form
    7,345.35/11,013.21 = 4,182.87/x
  3. Step 3: Cross multiply
    7,345.35x = 11,013.21 × 4,182.87
  4. Step 4: Simplify right side
    7,345.35x = 46,066,825.71
  5. Step 5: Solve for x
    x = 46,066,825.71/7,345.35
  6. Step 6: Final answer
    x = 6,271.56

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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.