Home / 8,531.17-12,804.69-4,374.16

Finding the Fourth Proportional to 8,531.17, 12,804.69 and 4,374.16

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Solution

The fourth proportional to 8,531.17, 12,804.69 and 4,374.16 is: 6,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.17 : 12,804.69 = 4,374.16 : x
  2. Step 2: Convert to fraction form
    8,531.17/12,804.69 = 4,374.16/x
  3. Step 3: Cross multiply
    8,531.17x = 12,804.69 × 4,374.16
  4. Step 4: Simplify right side
    8,531.17x = 56,009,762.81
  5. Step 5: Solve for x
    x = 56,009,762.81/8,531.17
  6. Step 6: Final answer
    x = 6,565.31

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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.