Home / 6,637.20-9,152.28-4,748.40

Finding the Fourth Proportional to 6,637.20, 9,152.28 and 4,748.40

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Solution

The fourth proportional to 6,637.20, 9,152.28 and 4,748.40 is: 6,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.20 : 9,152.28 = 4,748.40 : x
  2. Step 2: Convert to fraction form
    6,637.20/9,152.28 = 4,748.40/x
  3. Step 3: Cross multiply
    6,637.20x = 9,152.28 × 4,748.40
  4. Step 4: Simplify right side
    6,637.20x = 43,458,686.35
  5. Step 5: Solve for x
    x = 43,458,686.35/6,637.20
  6. Step 6: Final answer
    x = 6,547.74

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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.