Home / 5,075.73-7,000.65-4,368.78

Finding the Fourth Proportional to 5,075.73, 7,000.65 and 4,368.78

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Solution

The fourth proportional to 5,075.73, 7,000.65 and 4,368.78 is: 6,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.73 : 7,000.65 = 4,368.78 : x
  2. Step 2: Convert to fraction form
    5,075.73/7,000.65 = 4,368.78/x
  3. Step 3: Cross multiply
    5,075.73x = 7,000.65 × 4,368.78
  4. Step 4: Simplify right side
    5,075.73x = 30,584,299.71
  5. Step 5: Solve for x
    x = 30,584,299.71/5,075.73
  6. Step 6: Final answer
    x = 6,025.60

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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.