Home / 7,779.53-10,735.75-4,242.77

Finding the Fourth Proportional to 7,779.53, 10,735.75 and 4,242.77

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Solution

The fourth proportional to 7,779.53, 10,735.75 and 4,242.77 is: 5,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.53 : 10,735.75 = 4,242.77 : x
  2. Step 2: Convert to fraction form
    7,779.53/10,735.75 = 4,242.77/x
  3. Step 3: Cross multiply
    7,779.53x = 10,735.75 × 4,242.77
  4. Step 4: Simplify right side
    7,779.53x = 45,549,318.03
  5. Step 5: Solve for x
    x = 45,549,318.03/7,779.53
  6. Step 6: Final answer
    x = 5,855.02

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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.