Home / 7,014.63-10,521.81-2,854.47

Finding the Fourth Proportional to 7,014.63, 10,521.81 and 2,854.47

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Solution

The fourth proportional to 7,014.63, 10,521.81 and 2,854.47 is: 4,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.63 : 10,521.81 = 2,854.47 : x
  2. Step 2: Convert to fraction form
    7,014.63/10,521.81 = 2,854.47/x
  3. Step 3: Cross multiply
    7,014.63x = 10,521.81 × 2,854.47
  4. Step 4: Simplify right side
    7,014.63x = 30,034,190.99
  5. Step 5: Solve for x
    x = 30,034,190.99/7,014.63
  6. Step 6: Final answer
    x = 4,281.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.