Home / 4,810.72-6,638.08-2,921.32

Finding the Fourth Proportional to 4,810.72, 6,638.08 and 2,921.32

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Solution

The fourth proportional to 4,810.72, 6,638.08 and 2,921.32 is: 4,030.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.72 : 6,638.08 = 2,921.32 : x
  2. Step 2: Convert to fraction form
    4,810.72/6,638.08 = 2,921.32/x
  3. Step 3: Cross multiply
    4,810.72x = 6,638.08 × 2,921.32
  4. Step 4: Simplify right side
    4,810.72x = 19,391,916.78
  5. Step 5: Solve for x
    x = 19,391,916.78/4,810.72
  6. Step 6: Final answer
    x = 4,030.98

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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.