Home / 4,337.78-6,510.98-2,390.90

Finding the Fourth Proportional to 4,337.78, 6,510.98 and 2,390.90

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Solution

The fourth proportional to 4,337.78, 6,510.98 and 2,390.90 is: 3,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,337.78 : 6,510.98 = 2,390.90 : x
  2. Step 2: Convert to fraction form
    4,337.78/6,510.98 = 2,390.90/x
  3. Step 3: Cross multiply
    4,337.78x = 6,510.98 × 2,390.90
  4. Step 4: Simplify right side
    4,337.78x = 15,567,075.50
  5. Step 5: Solve for x
    x = 15,567,075.50/4,337.78
  6. Step 6: Final answer
    x = 3,588.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.