Home / 7,807.04-10,772.25-4,619.60

Finding the Fourth Proportional to 7,807.04, 10,772.25 and 4,619.60

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Solution

The fourth proportional to 7,807.04, 10,772.25 and 4,619.60 is: 6,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,807.04 : 10,772.25 = 4,619.60 : x
  2. Step 2: Convert to fraction form
    7,807.04/10,772.25 = 4,619.60/x
  3. Step 3: Cross multiply
    7,807.04x = 10,772.25 × 4,619.60
  4. Step 4: Simplify right side
    7,807.04x = 49,763,486.10
  5. Step 5: Solve for x
    x = 49,763,486.10/7,807.04
  6. Step 6: Final answer
    x = 6,374.18

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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.