Home / 6,685.61-10,030.77-2,987.55

Finding the Fourth Proportional to 6,685.61, 10,030.77 and 2,987.55

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Solution

The fourth proportional to 6,685.61, 10,030.77 and 2,987.55 is: 4,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.61 : 10,030.77 = 2,987.55 : x
  2. Step 2: Convert to fraction form
    6,685.61/10,030.77 = 2,987.55/x
  3. Step 3: Cross multiply
    6,685.61x = 10,030.77 × 2,987.55
  4. Step 4: Simplify right side
    6,685.61x = 29,967,426.91
  5. Step 5: Solve for x
    x = 29,967,426.91/6,685.61
  6. Step 6: Final answer
    x = 4,482.38

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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.