Home / 7,779.22-10,735.46-4,637.23

Finding the Fourth Proportional to 7,779.22, 10,735.46 and 4,637.23

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Solution

The fourth proportional to 7,779.22, 10,735.46 and 4,637.23 is: 6,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.22 : 10,735.46 = 4,637.23 : x
  2. Step 2: Convert to fraction form
    7,779.22/10,735.46 = 4,637.23/x
  3. Step 3: Cross multiply
    7,779.22x = 10,735.46 × 4,637.23
  4. Step 4: Simplify right side
    7,779.22x = 49,782,797.18
  5. Step 5: Solve for x
    x = 49,782,797.18/7,779.22
  6. Step 6: Final answer
    x = 6,399.46

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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.