Home / 9,788.81-13,508.21-5,807.58

Finding the Fourth Proportional to 9,788.81, 13,508.21 and 5,807.58

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Solution

The fourth proportional to 9,788.81, 13,508.21 and 5,807.58 is: 8,014.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.81 : 13,508.21 = 5,807.58 : x
  2. Step 2: Convert to fraction form
    9,788.81/13,508.21 = 5,807.58/x
  3. Step 3: Cross multiply
    9,788.81x = 13,508.21 × 5,807.58
  4. Step 4: Simplify right side
    9,788.81x = 78,449,981.19
  5. Step 5: Solve for x
    x = 78,449,981.19/9,788.81
  6. Step 6: Final answer
    x = 8,014.26

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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.