Home / 8,387.36-11,574.80-4,851.68

Finding the Fourth Proportional to 8,387.36, 11,574.80 and 4,851.68

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Solution

The fourth proportional to 8,387.36, 11,574.80 and 4,851.68 is: 6,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.36 : 11,574.80 = 4,851.68 : x
  2. Step 2: Convert to fraction form
    8,387.36/11,574.80 = 4,851.68/x
  3. Step 3: Cross multiply
    8,387.36x = 11,574.80 × 4,851.68
  4. Step 4: Simplify right side
    8,387.36x = 56,157,225.66
  5. Step 5: Solve for x
    x = 56,157,225.66/8,387.36
  6. Step 6: Final answer
    x = 6,695.46

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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.