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Finding the Fourth Proportional to 8,582.66, 12,870.60 and 5,810.13

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Solution

The fourth proportional to 8,582.66, 12,870.60 and 5,810.13 is: 8,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.66 : 12,870.60 = 5,810.13 : x
  2. Step 2: Convert to fraction form
    8,582.66/12,870.60 = 5,810.13/x
  3. Step 3: Cross multiply
    8,582.66x = 12,870.60 × 5,810.13
  4. Step 4: Simplify right side
    8,582.66x = 74,779,837.39
  5. Step 5: Solve for x
    x = 74,779,837.39/8,582.66
  6. Step 6: Final answer
    x = 8,712.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.