Home / 7,289.12-10,053.52-5,054.74

Finding the Fourth Proportional to 7,289.12, 10,053.52 and 5,054.74

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Solution

The fourth proportional to 7,289.12, 10,053.52 and 5,054.74 is: 6,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.12 : 10,053.52 = 5,054.74 : x
  2. Step 2: Convert to fraction form
    7,289.12/10,053.52 = 5,054.74/x
  3. Step 3: Cross multiply
    7,289.12x = 10,053.52 × 5,054.74
  4. Step 4: Simplify right side
    7,289.12x = 50,817,929.68
  5. Step 5: Solve for x
    x = 50,817,929.68/7,289.12
  6. Step 6: Final answer
    x = 6,971.75

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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.