Home / 4,970.89-6,855.28-4,445.40

Finding the Fourth Proportional to 4,970.89, 6,855.28 and 4,445.40

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Solution

The fourth proportional to 4,970.89, 6,855.28 and 4,445.40 is: 6,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.89 : 6,855.28 = 4,445.40 : x
  2. Step 2: Convert to fraction form
    4,970.89/6,855.28 = 4,445.40/x
  3. Step 3: Cross multiply
    4,970.89x = 6,855.28 × 4,445.40
  4. Step 4: Simplify right side
    4,970.89x = 30,474,461.71
  5. Step 5: Solve for x
    x = 30,474,461.71/4,970.89
  6. Step 6: Final answer
    x = 6,130.58

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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.