Home / 7,779.48-10,735.94-4,242.52

Finding the Fourth Proportional to 7,779.48, 10,735.94 and 4,242.52

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Solution

The fourth proportional to 7,779.48, 10,735.94 and 4,242.52 is: 5,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.48 : 10,735.94 = 4,242.52 : x
  2. Step 2: Convert to fraction form
    7,779.48/10,735.94 = 4,242.52/x
  3. Step 3: Cross multiply
    7,779.48x = 10,735.94 × 4,242.52
  4. Step 4: Simplify right side
    7,779.48x = 45,547,440.17
  5. Step 5: Solve for x
    x = 45,547,440.17/7,779.48
  6. Step 6: Final answer
    x = 5,854.82

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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.