Home / 7,779.14-10,736.44-4,637.15

Finding the Fourth Proportional to 7,779.14, 10,736.44 and 4,637.15

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Solution

The fourth proportional to 7,779.14, 10,736.44 and 4,637.15 is: 6,399.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.14 : 10,736.44 = 4,637.15 : x
  2. Step 2: Convert to fraction form
    7,779.14/10,736.44 = 4,637.15/x
  3. Step 3: Cross multiply
    7,779.14x = 10,736.44 × 4,637.15
  4. Step 4: Simplify right side
    7,779.14x = 49,786,417.47
  5. Step 5: Solve for x
    x = 49,786,417.47/7,779.14
  6. Step 6: Final answer
    x = 6,399.99

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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.