Home / 5,802.81-8,014.48-3,911.13

Finding the Fourth Proportional to 5,802.81, 8,014.48 and 3,911.13

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Solution

The fourth proportional to 5,802.81, 8,014.48 and 3,911.13 is: 5,401.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,802.81 : 8,014.48 = 3,911.13 : x
  2. Step 2: Convert to fraction form
    5,802.81/8,014.48 = 3,911.13/x
  3. Step 3: Cross multiply
    5,802.81x = 8,014.48 × 3,911.13
  4. Step 4: Simplify right side
    5,802.81x = 31,345,686.11
  5. Step 5: Solve for x
    x = 31,345,686.11/5,802.81
  6. Step 6: Final answer
    x = 5,401.81

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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.