Home / 6,919.12-10,357.50-5,590.52

Finding the Fourth Proportional to 6,919.12, 10,357.50 and 5,590.52

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Solution

The fourth proportional to 6,919.12, 10,357.50 and 5,590.52 is: 8,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.12 : 10,357.50 = 5,590.52 : x
  2. Step 2: Convert to fraction form
    6,919.12/10,357.50 = 5,590.52/x
  3. Step 3: Cross multiply
    6,919.12x = 10,357.50 × 5,590.52
  4. Step 4: Simplify right side
    6,919.12x = 57,903,771.75
  5. Step 5: Solve for x
    x = 57,903,771.75/6,919.12
  6. Step 6: Final answer
    x = 8,368.66

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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.