Home / 8,159.04-11,259.84-4,574.40

Finding the Fourth Proportional to 8,159.04, 11,259.84 and 4,574.40

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Solution

The fourth proportional to 8,159.04, 11,259.84 and 4,574.40 is: 6,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.04 : 11,259.84 = 4,574.40 : x
  2. Step 2: Convert to fraction form
    8,159.04/11,259.84 = 4,574.40/x
  3. Step 3: Cross multiply
    8,159.04x = 11,259.84 × 4,574.40
  4. Step 4: Simplify right side
    8,159.04x = 51,507,012.10
  5. Step 5: Solve for x
    x = 51,507,012.10/8,159.04
  6. Step 6: Final answer
    x = 6,312.88

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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.