Home / 6,275.48-9,407.10-2,987.69

Finding the Fourth Proportional to 6,275.48, 9,407.10 and 2,987.69

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Solution

The fourth proportional to 6,275.48, 9,407.10 and 2,987.69 is: 4,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.48 : 9,407.10 = 2,987.69 : x
  2. Step 2: Convert to fraction form
    6,275.48/9,407.10 = 2,987.69/x
  3. Step 3: Cross multiply
    6,275.48x = 9,407.10 × 2,987.69
  4. Step 4: Simplify right side
    6,275.48x = 28,105,533.32
  5. Step 5: Solve for x
    x = 28,105,533.32/6,275.48
  6. Step 6: Final answer
    x = 4,478.63

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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.