Home / 7,342.51-10,122.73-4,980.55

Finding the Fourth Proportional to 7,342.51, 10,122.73 and 4,980.55

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Solution

The fourth proportional to 7,342.51, 10,122.73 and 4,980.55 is: 6,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.51 : 10,122.73 = 4,980.55 : x
  2. Step 2: Convert to fraction form
    7,342.51/10,122.73 = 4,980.55/x
  3. Step 3: Cross multiply
    7,342.51x = 10,122.73 × 4,980.55
  4. Step 4: Simplify right side
    7,342.51x = 50,416,762.90
  5. Step 5: Solve for x
    x = 50,416,762.90/7,342.51
  6. Step 6: Final answer
    x = 6,866.42

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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.