Home / 7,865.04-10,853.64-4,328.16

Finding the Fourth Proportional to 7,865.04, 10,853.64 and 4,328.16

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Solution

The fourth proportional to 7,865.04, 10,853.64 and 4,328.16 is: 5,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.04 : 10,853.64 = 4,328.16 : x
  2. Step 2: Convert to fraction form
    7,865.04/10,853.64 = 4,328.16/x
  3. Step 3: Cross multiply
    7,865.04x = 10,853.64 × 4,328.16
  4. Step 4: Simplify right side
    7,865.04x = 46,976,290.50
  5. Step 5: Solve for x
    x = 46,976,290.50/7,865.04
  6. Step 6: Final answer
    x = 5,972.80

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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.