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Finding the Fourth Proportional to 8,750.10, 12,075.18 and 4,771.32

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Solution

The fourth proportional to 8,750.10, 12,075.18 and 4,771.32 is: 6,584.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.10 : 12,075.18 = 4,771.32 : x
  2. Step 2: Convert to fraction form
    8,750.10/12,075.18 = 4,771.32/x
  3. Step 3: Cross multiply
    8,750.10x = 12,075.18 × 4,771.32
  4. Step 4: Simplify right side
    8,750.10x = 57,614,547.84
  5. Step 5: Solve for x
    x = 57,614,547.84/8,750.10
  6. Step 6: Final answer
    x = 6,584.44

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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.