Home / 7,271.07-10,038.92-4,912.35

Finding the Fourth Proportional to 7,271.07, 10,038.92 and 4,912.35

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Solution

The fourth proportional to 7,271.07, 10,038.92 and 4,912.35 is: 6,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.07 : 10,038.92 = 4,912.35 : x
  2. Step 2: Convert to fraction form
    7,271.07/10,038.92 = 4,912.35/x
  3. Step 3: Cross multiply
    7,271.07x = 10,038.92 × 4,912.35
  4. Step 4: Simplify right side
    7,271.07x = 49,314,664.10
  5. Step 5: Solve for x
    x = 49,314,664.10/7,271.07
  6. Step 6: Final answer
    x = 6,782.31

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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.