Home / 4,851.61-7,278.63-1,564.63

Finding the Fourth Proportional to 4,851.61, 7,278.63 and 1,564.63

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Solution

The fourth proportional to 4,851.61, 7,278.63 and 1,564.63 is: 2,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.61 : 7,278.63 = 1,564.63 : x
  2. Step 2: Convert to fraction form
    4,851.61/7,278.63 = 1,564.63/x
  3. Step 3: Cross multiply
    4,851.61x = 7,278.63 × 1,564.63
  4. Step 4: Simplify right side
    4,851.61x = 11,388,362.86
  5. Step 5: Solve for x
    x = 11,388,362.86/4,851.61
  6. Step 6: Final answer
    x = 2,347.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.