Home / 7,051.30-9,730.46-4,220.23

Finding the Fourth Proportional to 7,051.30, 9,730.46 and 4,220.23

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Solution

The fourth proportional to 7,051.30, 9,730.46 and 4,220.23 is: 5,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.30 : 9,730.46 = 4,220.23 : x
  2. Step 2: Convert to fraction form
    7,051.30/9,730.46 = 4,220.23/x
  3. Step 3: Cross multiply
    7,051.30x = 9,730.46 × 4,220.23
  4. Step 4: Simplify right side
    7,051.30x = 41,064,758.10
  5. Step 5: Solve for x
    x = 41,064,758.10/7,051.30
  6. Step 6: Final answer
    x = 5,823.72

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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.