Home / 7,379.17-11,011.69-6,590.68

Finding the Fourth Proportional to 7,379.17, 11,011.69 and 6,590.68

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Solution

The fourth proportional to 7,379.17, 11,011.69 and 6,590.68 is: 9,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.17 : 11,011.69 = 6,590.68 : x
  2. Step 2: Convert to fraction form
    7,379.17/11,011.69 = 6,590.68/x
  3. Step 3: Cross multiply
    7,379.17x = 11,011.69 × 6,590.68
  4. Step 4: Simplify right side
    7,379.17x = 72,574,525.05
  5. Step 5: Solve for x
    x = 72,574,525.05/7,379.17
  6. Step 6: Final answer
    x = 9,835.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.