Home / 4,810.76-6,637.03-2,921.63

Finding the Fourth Proportional to 4,810.76, 6,637.03 and 2,921.63

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Solution

The fourth proportional to 4,810.76, 6,637.03 and 2,921.63 is: 4,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.76 : 6,637.03 = 2,921.63 : x
  2. Step 2: Convert to fraction form
    4,810.76/6,637.03 = 2,921.63/x
  3. Step 3: Cross multiply
    4,810.76x = 6,637.03 × 2,921.63
  4. Step 4: Simplify right side
    4,810.76x = 19,390,945.96
  5. Step 5: Solve for x
    x = 19,390,945.96/4,810.76
  6. Step 6: Final answer
    x = 4,030.74

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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.