Home / 7,812.32-10,780.93-4,275.52

Finding the Fourth Proportional to 7,812.32, 10,780.93 and 4,275.52

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Solution

The fourth proportional to 7,812.32, 10,780.93 and 4,275.52 is: 5,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812.32 : 10,780.93 = 4,275.52 : x
  2. Step 2: Convert to fraction form
    7,812.32/10,780.93 = 4,275.52/x
  3. Step 3: Cross multiply
    7,812.32x = 10,780.93 × 4,275.52
  4. Step 4: Simplify right side
    7,812.32x = 46,094,060.23
  5. Step 5: Solve for x
    x = 46,094,060.23/7,812.32
  6. Step 6: Final answer
    x = 5,900.18

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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.