Home / 7,848.88-10,831.41-4,312.15

Finding the Fourth Proportional to 7,848.88, 10,831.41 and 4,312.15

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Solution

The fourth proportional to 7,848.88, 10,831.41 and 4,312.15 is: 5,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.88 : 10,831.41 = 4,312.15 : x
  2. Step 2: Convert to fraction form
    7,848.88/10,831.41 = 4,312.15/x
  3. Step 3: Cross multiply
    7,848.88x = 10,831.41 × 4,312.15
  4. Step 4: Simplify right side
    7,848.88x = 46,706,637.55
  5. Step 5: Solve for x
    x = 46,706,637.55/7,848.88
  6. Step 6: Final answer
    x = 5,950.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.