Home / 7,220.23-9,964.59-4,386.95

Finding the Fourth Proportional to 7,220.23, 9,964.59 and 4,386.95

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Solution

The fourth proportional to 7,220.23, 9,964.59 and 4,386.95 is: 6,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.23 : 9,964.59 = 4,386.95 : x
  2. Step 2: Convert to fraction form
    7,220.23/9,964.59 = 4,386.95/x
  3. Step 3: Cross multiply
    7,220.23x = 9,964.59 × 4,386.95
  4. Step 4: Simplify right side
    7,220.23x = 43,714,136.17
  5. Step 5: Solve for x
    x = 43,714,136.17/7,220.23
  6. Step 6: Final answer
    x = 6,054.40

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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.