Home / 7,828.45-10,802.51-4,684.57

Finding the Fourth Proportional to 7,828.45, 10,802.51 and 4,684.57

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Solution

The fourth proportional to 7,828.45, 10,802.51 and 4,684.57 is: 6,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.45 : 10,802.51 = 4,684.57 : x
  2. Step 2: Convert to fraction form
    7,828.45/10,802.51 = 4,684.57/x
  3. Step 3: Cross multiply
    7,828.45x = 10,802.51 × 4,684.57
  4. Step 4: Simplify right side
    7,828.45x = 50,605,090.85
  5. Step 5: Solve for x
    x = 50,605,090.85/7,828.45
  6. Step 6: Final answer
    x = 6,464.25

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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.