Home / 7,811.99-10,785.89-5,795.93

Finding the Fourth Proportional to 7,811.99, 10,785.89 and 5,795.93

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Solution

The fourth proportional to 7,811.99, 10,785.89 and 5,795.93 is: 8,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.99 : 10,785.89 = 5,795.93 : x
  2. Step 2: Convert to fraction form
    7,811.99/10,785.89 = 5,795.93/x
  3. Step 3: Cross multiply
    7,811.99x = 10,785.89 × 5,795.93
  4. Step 4: Simplify right side
    7,811.99x = 62,514,263.43
  5. Step 5: Solve for x
    x = 62,514,263.43/7,811.99
  6. Step 6: Final answer
    x = 8,002.35

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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.