Home / 7,354.16-10,148.88-4,210.34

Finding the Fourth Proportional to 7,354.16, 10,148.88 and 4,210.34

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Solution

The fourth proportional to 7,354.16, 10,148.88 and 4,210.34 is: 5,810.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.16 : 10,148.88 = 4,210.34 : x
  2. Step 2: Convert to fraction form
    7,354.16/10,148.88 = 4,210.34/x
  3. Step 3: Cross multiply
    7,354.16x = 10,148.88 × 4,210.34
  4. Step 4: Simplify right side
    7,354.16x = 42,730,235.42
  5. Step 5: Solve for x
    x = 42,730,235.42/7,354.16
  6. Step 6: Final answer
    x = 5,810.35

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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.