Home / 7,857.06-10,830.15-5,962.47

Finding the Fourth Proportional to 7,857.06, 10,830.15 and 5,962.47

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Solution

The fourth proportional to 7,857.06, 10,830.15 and 5,962.47 is: 8,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.06 : 10,830.15 = 5,962.47 : x
  2. Step 2: Convert to fraction form
    7,857.06/10,830.15 = 5,962.47/x
  3. Step 3: Cross multiply
    7,857.06x = 10,830.15 × 5,962.47
  4. Step 4: Simplify right side
    7,857.06x = 64,574,444.47
  5. Step 5: Solve for x
    x = 64,574,444.47/7,857.06
  6. Step 6: Final answer
    x = 8,218.65

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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.