Home / 8,062.51-11,128.59-4,875.81

Finding the Fourth Proportional to 8,062.51, 11,128.59 and 4,875.81

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Solution

The fourth proportional to 8,062.51, 11,128.59 and 4,875.81 is: 6,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.51 : 11,128.59 = 4,875.81 : x
  2. Step 2: Convert to fraction form
    8,062.51/11,128.59 = 4,875.81/x
  3. Step 3: Cross multiply
    8,062.51x = 11,128.59 × 4,875.81
  4. Step 4: Simplify right side
    8,062.51x = 54,260,890.41
  5. Step 5: Solve for x
    x = 54,260,890.41/8,062.51
  6. Step 6: Final answer
    x = 6,730.02

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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.