Home / 7,848.90-10,831.50-4,312.26

Finding the Fourth Proportional to 7,848.90, 10,831.50 and 4,312.26

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Solution

The fourth proportional to 7,848.90, 10,831.50 and 4,312.26 is: 5,950.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.90 : 10,831.50 = 4,312.26 : x
  2. Step 2: Convert to fraction form
    7,848.90/10,831.50 = 4,312.26/x
  3. Step 3: Cross multiply
    7,848.90x = 10,831.50 × 4,312.26
  4. Step 4: Simplify right side
    7,848.90x = 46,708,244.19
  5. Step 5: Solve for x
    x = 46,708,244.19/7,848.90
  6. Step 6: Final answer
    x = 5,950.93

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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.